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Description
The Hefei Advanced Light Source covers the VUV to soft X-ray range and plans to replace two conventional 0.9 T dipoles in the storage ring with 6 T superbends to extend the photon-energy reach. Increasing the peak field while keeping the field integral unchanged leads to significant changes in the field profile, which can strongly affect both linear optics and nonlinear beam dynamics. To identify a field profile that preserves machine performance, this work applies a multi-objective genetic algorithm to optimize the longitudinal field distribution of the superbend. The resulting profile minimizes the impact of the enhanced peak field on storage-ring dynamics and provides guidance for the magnetic-design and implementation of the superbend for the Hefei Advanced Light Source.
| In which format do you inted to submit your paper? | LaTeX |
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